/*
 * Created on 21 Jun 2006
 * Created by Paul Gardner
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

package com.aelitis.azureus.core.networkmanager.impl.udp;

import java.net.InetSocketAddress;
import java.nio.ByteBuffer;

import org.gudy.azureus2.core3.util.AddressUtils;

import com.aelitis.azureus.core.networkmanager.ConnectionEndpoint;
import com.aelitis.azureus.core.networkmanager.ProtocolEndpoint;
import com.aelitis.azureus.core.networkmanager.ProtocolEndpointFactory;
import com.aelitis.azureus.core.networkmanager.ProtocolEndpointHandler;
import com.aelitis.azureus.core.networkmanager.Transport;
import com.aelitis.azureus.core.networkmanager.Transport.ConnectListener;

public class ProtocolEndpointUDP implements ProtocolEndpoint {
    public static void register() {
        ProtocolEndpointFactory.registerHandler(new ProtocolEndpointHandler() {
            public int getType() {
                return (ProtocolEndpoint.PROTOCOL_UDP);
            }

            public ProtocolEndpoint create(InetSocketAddress address) {
                return (new ProtocolEndpointUDP(address));
            }

            public ProtocolEndpoint create(ConnectionEndpoint connection_endpoint, InetSocketAddress address) {
                return (new ProtocolEndpointUDP(connection_endpoint, address));
            }
        });
    }

    private ConnectionEndpoint ce;
    private InetSocketAddress address;

    private ProtocolEndpointUDP(ConnectionEndpoint _ce, InetSocketAddress _address) {
        ce = _ce;
        address = _address;

        ce.addProtocol(this);
    }

    private ProtocolEndpointUDP(InetSocketAddress _address) {
        ce = new ConnectionEndpoint(_address);
        address = _address;

        ce.addProtocol(this);
    }

    public void setConnectionEndpoint(ConnectionEndpoint _ce) {
        ce = _ce;

        ce.addProtocol(this);
    }

    public int getType() {
        return (PROTOCOL_UDP);
    }

    public InetSocketAddress getAddress() {
        return (address);
    }

    public InetSocketAddress getAdjustedAddress(boolean to_lan) {
        return (AddressUtils.adjustUDPAddress(address, to_lan));
    }

    public ConnectionEndpoint getConnectionEndpoint() {
        return (ce);
    }

    public Transport connectOutbound(boolean connect_with_crypto, boolean allow_fallback, byte[][] shared_secrets, ByteBuffer initial_data,
            int priority, ConnectListener listener) {
        UDPTransport t = new UDPTransport(this, shared_secrets);

        t.connectOutbound(initial_data, listener, priority);

        return (t);
    }

    public String getDescription() {
        return (address.toString());
    }
}
